Nailer



FIG. 1 is a front top-right perspective view of a nailer showing my new design;

FIG. 2 is a front elevational view; the rear surface being plain and unornamented;

FIG. 3 is a left side elevational view;

FIG. 4 is a front top-right perspective view of a second embodiment of my new design of FIGS. 1-3;

FIG. 5 is a front elevational view; the rear surface being plain and unornamented; and

FIG. 6 is a left side elevational view thereof. 

The ornamental design for a nailer, as shown and described. 